Action Duels have become a global sensation, but what is the dark secret behind them that threatens to destroy the world?
yu-gi-oh; yugioh; yu-gi-oh!; takahashi kazuki; kazuki takahashi; shin yoshida; yoshida shin; spinoff series; miyoshi naohito; naohito miyoshi; school life; action duels; yuzu hiiragi; dueling school; yuzu; phantom; yuya; genesis omega dragon; solving puzzles; shadow games; amnesia; adventure; games; game; video game; card game; comedy; drama; supernatural; anime; magic; friendship; mythical beasts; monsters; spirits; summoned creatures; game adaptation; dueling; duelist; duel monsters; tournaments; gaming tournament; rivalry; shonen jump; wsj; manga